Alert archive / Florida / Red Flag Warnings in 2012
Red Flag Warning 53, NWS Tallahassee, FL
NWS Tallahassee, FL issued this red flag warning at Nov 21, 2012, 3:31 AM EST for 8 counties in Florida. It took effect at Nov 21, 2012, 12:00 PM EST. It was in force for 6 hr. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Nov 21, 2012, 3:31 AM EST (08:31 UTC)
- In effect from
- Nov 21, 2012, 12:00 PM EST
- Expired
- Nov 21, 2012, 6:00 PM EST
- In force
- 6 hr
- Issued by
- NWS Tallahassee, FL
Counties Dixie County, FL, Gadsden County, FL, Jefferson County, FL, Lafayette County, FL, Leon County, FL, Madison County, FL, Taylor County, FL, Wakulla County, FL
The radar
The Tallahassee radar (KTLH), 53 km from the middle of the area, began a volume at 08:35 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
The nearest sounding before it
Tallahassee Rgnl, FL (KTLH), launched 00:00Z, 8.5 hours before the alert went out and 50 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 943 m above ground
- 0-6 km bulk shear
- 32 kt
- 0-1 km storm-relative helicity
- -28 m²/s²
- 0-3 km storm-relative helicity
- 20 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
815 WWUS82 KTAE 210831 RFWTAE URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE TALLAHASSEE FL 331 AM EST WED NOV 21 2012 ...RED FLAG WARNING THIS AFTERNOON FOR THE FLORIDA BIG BEND FOR LOW RELATIVE HUMIDITY...HIGH DISPERSION VALUES...AND SPOTTY AREAS WITH DRY FUELS... ...FIRE WEATHER WATCH THURSDAY AFTERNOON FOR THE SAME AREA FOR SIMILAR CONDITIONS... .DAYTIME HEATING WILL COMBINE WITH A DRY AIRMASS TO PRODUCE LOW RELATIVE HUMIDITY THIS AFTERNOON. DISPERSION VALUES WILL BE ABOVE 75 FOR MUCH THE FLORIDA BIG BED. HIGH ERC VALUES ARE EXPECTED IN SOME COUNTIES AS WELL...ESPECIALLY IN LEON AND WAKULLA COUNTIES. SIMILAR CONDITIONS ARE POSSIBLE THURSDAY AFTERNOON. IN FACT...THE DURATION OF RELATIVE HUMIDITY BELOW 35 PERCENT MAY BE LONGER ON THURSDAY. FLZ016>019-027>029-034-118-127-128-134-212315- /O.NEW.KTAE.FW.W.0053.121121T1700Z-121121T2300Z/ /O.NEW.KTAE.FW.A.0041.121122T1700Z-121122T2300Z/ GADSDEN-LEON-INLAND JEFFERSON-MADISON-INLAND WAKULLA- INLAND TAYLOR-LAFAYETTE-INLAND DIXIE-COASTAL JEFFERSON- COASTAL WAKULLA-COASTAL TAYLOR-COASTAL DIXIE- 331 AM EST WED NOV 21 2012 ...RED FLAG WARNING FOR TODAY FROM NOON TO 6 PM EST... ...FIRE WEATHER WATCH IN EFFECT THURSDAY AFTERNOON... THE NATIONAL WEATHER SERVICE IN TALLAHASSEE HAS ISSUED A RED FLAG WARNING...WHICH IS IN EFFECT FROM NOON TODAY TO 6 PM EST THIS EVENING. A FIRE WEATHER WATCH HAS ALSO BEEN ISSUED. THIS FIRE WEATHER WATCH IS IN EFFECT THURSDAY AFTERNOON. THE FOLLOWING INFORMATION IS FOR TODAYS WARNING... * WIND...NORTH TO NORTHWEST 6 TO 10 MPH WITH OCCASIONAL GUSTS TO 15 MPH...WHICH IS BELOW LOCAL RED FLAG CRITERIA. * HUMIDITY...MINIMUM RH VALUES FROM 30 TO 35 PERCENT AROUND MID AFTERNOON. EVEN LOWER RH VALUES POSSIBLE THURSDAY AFTERNOON. * LDSI...PEAK DISPERSION VALUES AROUND 80. * ERC...HIGHEST ERC VALUES OF 38 IN LEON AND WAKULLA COUNTIES. 23 TO 26 ELSEWHERE. * IMPACTS...ANY FIRES THAT DEVELOP MAY SPREAD RAPIDLY. OUTDOOR BURNING IS NOT RECOMMENDED. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW...OR WILL SHORTLY. LOW RELATIVE HUMIDITY WILL ENHANCE FIRE GROWTH POTENTIAL. A FIRE WEATHER WATCH MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE POSSIBLE. LISTEN FOR LATER FORECASTS AND POSSIBLE RED FLAG WARNINGS. && $$ FOURNIER
1 follow-up statement
056 WWUS82 KTAE 211848 RFWTAE URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE TALLAHASSEE FL 148 PM EST WED NOV 21 2012 ...RED FLAG WARNING IN EFFECT UNTIL 6 PM EST THIS EVENING FOR MUCH OF THE FLORIDA BIG BEND DUE TO BRIEF DURATIONS OF RELATIVE HUMIDITY LESS THAN 35 PERCENT COINCIDENT WITH HIGH DISPERSION AND ERC VALUES... ...RED FLAG WARNING IN EFFECT FROM NOON TO 6 PM EST THURSDAY FOR THE FLORIDA BIG BEND DUE TO LONG DURATIONS OF RELATIVE HUMIDITY LESS THAN 35 PERCENT COINCIDENT WITH HIGH DISPERSION AND ERC VALUES... FLZ016>019-027>029-034-118-127-128-134-221130- /O.UPG.KTAE.FW.A.0041.121122T1700Z-121122T2300Z/ /O.NEW.KTAE.FW.W.0054.121122T1700Z-121122T2300Z/ /O.CON.KTAE.FW.W.0053.000000T0000Z-121121T2300Z/ GADSDEN-LEON-INLAND JEFFERSON-MADISON-INLAND WAKULLA- INLAND TAYLOR-LAFAYETTE-INLAND DIXIE-COASTAL JEFFERSON- COASTAL WAKULLA-COASTAL TAYLOR-COASTAL DIXIE- 148 PM EST WED NOV 21 2012 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 6 PM EST THIS EVENING... ...RED FLAG WARNING IN EFFECT FROM NOON TO 6 PM EST THURSDAY... THE NATIONAL WEATHER SERVICE IN TALLAHASSEE CONTINUES THE RED FLAG WARNING THAT IS IN EFFECT UNTIL 6 PM EST TODAY. A RED FLAG WARNING HAS ALSO BEEN ISSUED FOR THURSDAY...WHICH IS IN EFFECT FROM NOON TO 6 PM EST THURSDAY. * WIND...NORTH 10 TO 15 MPH. * HUMIDITY...MINIMUM RH VALUES FROM 30 TO 35 PERCENT TODAY. MINIMUM RELATIVE HUMIDITY VALUES ON THURSDAY BETWEEN 22 AND 28 PERCENT. * LDSI...PEAK DISPERSION VALUES AROUND 80 ON WEDNESDAY AND 95 ON THURSDAY. * ERC...HIGHEST ERC VALUES OF 38 IN LEON AND WAKULLA COUNTIES. 23 TO 26 ELSEWHERE. * IMPACTS...ANY FIRES THAT DEVELOP MAY SPREAD RAPIDLY. OUTDOOR BURNING IS NOT RECOMMENDED. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW...OR WILL SHORTLY. LOW RELATIVE HUMIDITY WILL ENHANCE FIRE GROWTH POTENTIAL. && $$ FLZ026-221130- /O.NEW.KTAE.FW.W.0054.121122T1700Z-121122T2300Z/ LIBERTY- 148 PM EST WED NOV 21 2012 ...RED FLAG WARNING IN EFFECT FROM NOON TO 6 PM EST THURSDAY... THE NATIONAL WEATHER SERVICE IN TALLAHASSEE HAS ISSUED A RED FLAG WARNING...WHICH IS IN EFFECT FROM NOON TO 6 PM EST THURSDAY. * WIND...NORTH WIND AROUND 10 MPH. * HUMIDITY...MINIMUM RELATIVE HUMIDITY VALUES OF 24 TO 28 PERCENT. * LDSI...PEAK DISPERSION VALUES AROUND 80. * ERC...23 TO 26. * IMPACTS...ANY FIRES THAT DEVELOP MAY SPREAD RAPIDLY. OUTDOOR BURNING IS NOT RECOMMENDED. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW...OR WILL SHORTLY. LOW RELATIVE HUMIDITY WILL ENHANCE FIRE GROWTH POTENTIAL. && $$ 38-GODSEY
The office that day
Everything else NWS Tallahassee, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Nov 21, 3:31 AM EST | Fire Weather Watch | TAE | Dixie, Gadsden, Jefferson, Lafayette, Leon, Madison and 2 more | 10 hr |
| Nov 21, 1:48 PM EST | Red Flag Warning | TAE | Dixie, Gadsden, Jefferson, Lafayette, Leon, Madison and 2 more | 28 hr |
Nearby
Red Flag Warnings in Florida, 2012Every red flag warning in 2012
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.